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1كتاب
المؤلفون: Schaie, K. Warner (Klaus Warner), 1928-
مصطلحات موضوعية: Middle Aged., Longitudinal Studies., Cognition., Aging -- psychology., Aged., Adult., Intelligence., Cognition -- Age factors -- Longitudinal studies., Adulthood -- Psychological aspects -- Longitudinal studies., Aging -- Psychological aspects -- Longitudinal studies., Longitudinal studies.
جغرافية الموضوع: Washington., Washington